UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rCPHGphtvH5oK7Du7oZnfoMNXZuNLXv+zjdY6aLd7ac=' 
WHERE 
  key_id = '298c804966251aa019c0dc2cb639812d714b03f71f0e3b29adcb279903e6d38a' 
  AND (
    token = 'rCPHGphtvH5oK7Du7oZnfoMNXZuNLXv+zjdY6aLd7ac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )